Name______Date______

Quiz 5: DNA and Protein Synthesis STUDY GUIDE

Learning Target: I can illustrate the process by which DNA sequences are copied to produce proteins.

Complete the following study guide to help you prepare for Quiz 5. Remember that the quiz is open-note, but you will have limited time to complete it. By completing this study guide, you can ensure that you have all of the needed information in one, easy-to-find place.

Definition: Define the following terms.

1. Amino Acid ______2. Protein______3. Nucleotide ______4. Nucleic Acid ______5. DNA ______6. RNA ______7. Ribosome______8. Transcription______9. Translation______10. Codon______11. Nucleus______12. Gene______

______

13. Helicase______

______

14. RNA Polymerase______

______15. DNA Polymerase______

______

16. What is the mRNA strand that would be copied from this DNA strand?

G G C T A T A T C C T G C G C T A T A C G C T A

17. The m in mRNA stands for .

18. What is the function of mRNA?

19. Draw a picture of the monomer of RNA (what RNA is made of), which is called a .

20. In your picture label the following parts – ribose sugar, base, and phosphate group.

21. What are three differences between RNA and DNA?

22. What are the three types of RNA?

23. If the following strand is a tRNA, what is the sequence of the DNA strand it copied itself from?

U U A G C G C G G G A U U A A G C U C G A A U A

24. What is the function of tRNA?

25. Proteins are made up of ______, which our bodies either make or come from our food.

26. What does rRNA do?

27. Name the two places in the cell where you can find RNA.

28. Name the place in the cell where you can find DNA.

29. Draw an mRNA strand that would complement the DNA strand CCAAT.

30. In your picture above, circle an RNA nucleotide.

DIRECTIONS: Transcribe and Translate the following DNA sequence using the code wheel below, then answer the following questions.

DNA: TAC CGC TAC CTT CAT TCA CCA TGA ATC

31. mRNA:

32. Protein(s):

33. How many nucleotides are there in your mRNA molecule? ____

34. How many amino acids are produced? _____

35. How many proteins are produced? _____

36. Write the last codon. _____

37. Write the first mRNA nucleotide. _____

mRNA Code Wheel

Input - mRNA Codons (NOT DNA) : Output - Amino Acids

Start in the middle and work your way out

Example: The amino acid for the GAU codon is Aspartic Acid and the amino acid for the UCA codon is Serine.